Comet C/2013 R1 Lovejoy Taken by Gerald Rhemann on December 13, 2013 @ Jauerling, Lower Austria

Comet Lovejoy Taken by Gerald Rhemann on December 2013 @ Jauerling, Lower Austria Ahhh. the beauty of nature!

This is probably the most amazing photo you will see of the Orion nebula's center, a cloud of gas and dust known as M42. The work was created by Adam Block at the Mount Lemon Sky Center observatory in Arizona. Image: Adam Block/Mount Lemmon SkyCenter/University of Arizona

Space Photo of the Day 2013

amazing photo of the Orion nebula's center, a cloud of gas and dust known as The work was created by Adam Block at the Mount Lemon Sky Center observatory in Arizona. Image: Adam Block/Mount Lemmon SkyCenter/University of Arizona

Comet Lovejoy as observed from the ISS by André Kuipers.

cosmos: Comet Lovejoy visible near Earth’s horizon photographed by NASA astronaut Dan Burbank aboard the International Space Station

NGC 7129 Is A Rosebud-shaped Reflection Nebula located 3300 ly away in the constellation Cepheus. A young open cluster is responsible for illuminating the surrounding nebula.

Swinging on A Star - NGC 7129 Is A Rosebud-shaped Reflection Nebula located 3300 ly away in the constellation Cepheus. A young open cluster is responsible for illuminating the surrounding nebula.

THE LONG TAIL OF COMET.

Comet Lovejoy Taken by Gerald Rhemann on December 2013 @ Jauerling, Lower Aus

Spectacular Hubble Photos to Celebrate 25 Years in Space for Humanity’s Telescope - via Slate The Butterfly Nebula - hubble25_ngc6302

Spectacular Hubble Photos to Celebrate 25 Years in Space for Humanity’s Telescope

NGC also called the Bug Nebula, Butterfly Nebula, is a bipolar planetary nebula in the constellation Scorpius. The structure in the nebula is among the most complex ever observed in planetary nebulae.

Metal Asteroid Psyche, a Weird Magnetic Space Rock, Explained (Infographic)

Scientists are mapping out a mission to the huge metal asteroid Psyche, which is thought to be the exposed iron core of a protoplanet. The spacecraft is scheduled to launch in

Black holes might end their lives by transforming into their exact opposite — 'white holes' that explosively pour all the material they ever swallowed into space, say two physicists. The suggestion, based on a speculative quantum theory of gravity, could solve a long-standing conundrum about whether black holes destroy information.

Scientists Finally May Have Solved Long-Standing Black Hole Mystery

Black holes might end their lives by transforming into their exact opposite — 'white holes' that explosively pour all the material they ever swallowed into space, say two physicists. The suggestion, based on a speculative quantum theory of gravity, could solve a long-standing conundrum about whether black holes destroy information.

Louis Pasteur discovered that most infectious diseases are caused by germs, known as the "germ theory of disease," it is one of the most important discoveries in medical history.

The History of Medicine - Photos and Illustrations

Louis Pasteur discovered that most infectious diseases are caused by germs, known as the "germ theory of disease," it is one of the most important discoveries in medical history.

NASA finds massive black hole in one of the smallest-known galaxies.

(Credit: NASA, ESA, Hubble helps find smallest known galaxy containing a supermassive black hole Astronomers using data from NASA’s Hubble Space Telescope and ground observation have.

20 Gifs That Explain How Things Work

20 Gifs That Explain How Things Work

Cygnus A Stellar Mass Black Hole. Artist's illustration shows the black hole drawing mass from a companion blue star. The material forms a disc around the black hole before falling into it or being ejected by powerful jets.

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